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Finding the Fourth Proportional to 18,454.31, 27,664.43 and 7,358.31

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Solution

The fourth proportional to 18,454.31, 27,664.43 and 7,358.31 is: 11,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.31 : 27,664.43 = 7,358.31 : x
  2. Step 2: Convert to fraction form
    18,454.31/27,664.43 = 7,358.31/x
  3. Step 3: Cross multiply
    18,454.31x = 27,664.43 × 7,358.31
  4. Step 4: Simplify right side
    18,454.31x = 203,563,451.91
  5. Step 5: Solve for x
    x = 203,563,451.91/18,454.31
  6. Step 6: Final answer
    x = 11,030.67

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